On 30 June 1904, an article in Der Deutsche Correspondent stated:
Feierte seinen 73. Geburstag. — Hr. Ferdinand Schneider von Nr. 1740, Canton-Ave., feierte am Montag seinen 73. Geburtstag, indem er seinen Freunden zu Ehren einen Ausflug nach "Walnut-Grove" am Bear-Creek veranstaltete. Die Theilnehmer verliessen Baltimore in einem grossen Omnibus, und auf der Rückfahrt wurde am "River-View-Varf” angehalten. Unter den Theilnehmern befanden sich die H.H. Ferdinand Schneider, Julius Meister, Geo. Beidenstöfer, Chas. L. Man, Stadtrathsmitglied William B. Smith, Fred. J. Schneider, Jacob Kern, Ferdinand Behr, William F. Inglart, August Meyer, , Fred. Schneider and Elmer Schneider.
Celebrated his 73rd birthday. - Mr. Ferdinand Schneider of Nr. 1740 Canton Ave., celebrated on Monday his 73rd birthday by a trip to "Walnut Grove" held by his friends in honor at Bear Creek. The participators left Baltimore in a large bus, and on the way back stopped at the "River-View-Wharf.” Among the participants were the H.H. Ferdinand Schneider, Julius Meister, Geo. Beidenstöfer, Chas. L. Man, City Council member William B. Smith, Fred. J. Schneider, Jacob Kern, Ferdinand Behr, William F. Inglart August Meyer, Fred. Schneider and Elmer Schneider.
[Der Deutsche Correspondent, 30 June 1904, page 8.]

1900 U.S. Census, Baltimore City, Maryland
5th Ward, Enumeration District 66
502 S. Wolfe Street
House 50, Family 56
Schneider, Chas, head, white, male, born 4 August 1863, 37, married for 17 years, born in Maryland, both parents born in Germany, occupation appears to say letter carrier but has been overwritten, can read and write, speaks English, home ownership has been overwritten and is illegible
Schneider, Barbara, wife, white, female, born 29 September 1865, 34, married for 17 years, mother of six children of whom six survive, born in Maryland, both parents born in Germany, can read and write, speaks English
Schneider, Katie, daughter, white, female, born 13 November 1883, 16, single, born in Maryland, both parents born in Maryland, can read and write, speaks English
Schneider, Fred. J., son, white, male, born 31 August 1886, 14, single, born in Maryland, both parents born in Maryland, at school, can read and write, speaks English
Schneider, Chas J. Jr., son, white, male, born 10 November 1888, 11, single, born in Maryland, both parents born in Maryland, at school, can read and write, speaks English
Schneider, Eddy, son, white, male, born 3 May 1893, 7, single, born in Maryland, both parents born in Maryland, at school, can read and write, speaks English
Schneider, Harry, son, white, male, born 26 February 1895, 5, single, born in Maryland, both parents born in Maryland, speaks English
Schneider, Elmer, son, white, male, born 8 June 1897, 3, single, born in Maryland, both parents born in Maryland, speaks English

1910 U.S. Census, Baltimore City, Maryland:
6th Ward, E.D. 69, Sheet 7A
Enumerated on 26 April 1910
441 N. Lakewood Avenue
Dwelling 137, Household 140
Schneider, Charles J., head, male, white, age 47, married for 26 years, born in Maryland, both parents born in Germany and spoke German, speaks English, occupation letter carrier for post office, wage worker, not out of work, not unemployed in 1909, can read and write, owns home free of mortgage
Schneider, Barbara, wife, female, white, age 44, married for 26, years, mother of 6 children, all of whom are living, born in Maryland, both parents born in Germany and spoke German, no occupation, can read and write
Schneider, Fred. J., son, male, white, age 23, single, born in Maryland, both parents born in Maryland, speaks English, salesman for millinery, wage worker, not out of work, not unemployed in 1909, can read and write
Schneider, Chas. J., son, male, white, age 21, single, born in Maryland, both parents born in Maryland, speaks English, salesman in dry goods, wage worker, not out of work, not unemployed in 1909, can read and write
Schneider, Edward P.[?], son, male, white, age 17, single, born in Maryland, both parents born in Maryland, speaks English, salesman for millinery, wage worker, not out of work, not unemployed in 1909, can read and write
Schneider, Henry C.[?], son, male, white, age 15, single, born in Maryland, both parents born in Maryland, no occupation, can read and write, in school
Schneider, Elmer P.[?], son, male, white, page 13, single, born in Maryland, both parents born in Maryland, no occupation, can read and write, in school

[Note: in 1910, Catherine Schneider Thomas (sister of Charles J. Schneider) and her family lived across the street at 442 N. Lakewood Avenue.]

SCHNEIDER.—On April 15, 1918, ELMER P., beloved son of Barbara and the late Charles J. Schneider, aged 20 years.
Funeral from his mother’s residence, No. 441 North Lakewood avenue, this (Thursday) afternoon, April 18, at 2 o’clock. Interment in Oak Lawn Cemetery.
[The Baltimore Sun, 18 April 1918, page 10.]

Elmer P. Schneider is buried in Oak Lawn Cemetery, with a grave marker stating: In memory of Elmer P. Schneider, born June 9 1897, died Apr 15 1918. [Find-a-Grave Memorial #90975512.]